parseNumber: Difference between revisions

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m (Text replacement - ": *<code>" to ": <code>")
m (Text replacement - "<code>([^ ]*)\[\[([a-zA-Z][a-zA-Z0-9_]+)\]\]([^ ]*)<\/code>" to "<code>$1$2$3</code>")
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|r2= [[Number]] - 0 if [[false]], 1 if [[true]]
|r2= [[Number]] - 0 if [[false]], 1 if [[true]]


|x1= <code>_number = [[parseNumber]] "0.125"; {{cc|0.125}}</code>
|x1= <code>_number = parseNumber "0.125"; {{cc|0.125}}</code>


|x2= <code>_number = [[parseNumber]] "0050"; {{cc|50}}</code>
|x2= <code>_number = parseNumber "0050"; {{cc|50}}</code>


|x3= <code>_number = [[parseNumber]] "2 abc"; {{cc|2}}</code>
|x3= <code>_number = parseNumber "2 abc"; {{cc|2}}</code>


|x4= <code>_number = [[parseNumber]] [[true]]; {{cc|1}}</code>
|x4= <code>_number = parseNumber [[true]]; {{cc|1}}</code>


|seealso= [[BIS_fnc_parseNumber]]
|seealso= [[BIS_fnc_parseNumber]]
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[[parseNumber]] "s2f4"; // 0</code>
[[parseNumber]] "s2f4"; // 0</code>
parse config or code, currently [[BIS_fnc_parseNumber]], occurrence is only limited with number, return -1 by default.
parse config or code, currently [[BIS_fnc_parseNumber]], occurrence is only limited with number, return -1 by default.
<code>{s3s4f} [[call]] [[BIS_fnc_parseNumber]]; // -1</code>
<code>{s3s4f} call [[BIS_fnc_parseNumber]]; // -1</code>
</dd>
</dd>


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<dd class="note">
<dd class="note">
This command '''does not''' work with strings representing hexadecimal numbers:
This command '''does not''' work with strings representing hexadecimal numbers:
<code>[[parseNumber]] "0xCF"; //Returns 0</code>
<code>parseNumber "0xCF"; //Returns 0</code>
</dd>
</dd>


</dl>
</dl>

Revision as of 11:12, 12 May 2022

Hover & click on the images for description

Description

Description:
An SQF equivalent of C++ atof function. Parses the string, interpreting its content as a floating point number.

The command first discards as many whitespace characters as necessary until the first non-whitespace character is found. Then, starting from this character, takes as many characters as possible that are valid following a syntax resembling that of floating point literals, and interprets them as a numerical value. The rest of the string after the last valid character is ignored and has no effect on the behavior of this command.

If the first sequence of non-whitespace characters in string does not form a valid floating-point number, or if no such sequence exists because either string is empty or contains only whitespace characters, no conversion is performed and the command returns 0.
Groups:
Strings

Syntax

Syntax:
parseNumber string
Parameters:
string: String
Return Value:
Number

Alternative Syntax

Syntax:
parseNumber boolean
Parameters:
boolean: Boolean
Return Value:
Number - 0 if false, 1 if true

Examples

Example 1:
_number = parseNumber "0.125"; // 0.125
Example 2:
_number = parseNumber "0050"; // 50
Example 3:
_number = parseNumber "2 abc"; // 2
Example 4:
_number = parseNumber true; // 1

Additional Information

See also:
BIS_fnc_parseNumber

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Posted on Aug 28, 2014
ffur2007slx2_5
(A3 1.26)It only detects the first occurrence of a number in the string, return 0 by default. parseNumber "2s4f"; // 2 parseNumber "s2f4"; // 0 parse config or code, currently BIS_fnc_parseNumber, occurrence is only limited with number, return -1 by default. {s3s4f} call BIS_fnc_parseNumber; // -1
Posted on April 5, 2021 - 14:56 (UTC)
R3vo
This command does not work with strings representing hexadecimal numbers: parseNumber "0xCF"; //Returns 0